1684842341 has 16 divisors (see below), whose sum is σ = 2195633664. Its totient is φ = 1254645504.

The previous prime is 1684842337. The next prime is 1684842353. The reversal of 1684842341 is 1432484861.

It is not a de Polignac number, because 1684842341 - 2² = 1684842337 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684842311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543005 + ... + 546098.

It is an arithmetic number, because the mean of its divisors is an integer number (137227104).

Almost surely, 2^1684842341 is an apocalyptic number.

It is an amenable number.

1684842341 is a deficient number, since it is larger than the sum of its proper divisors (510791323).

1684842341 is a wasteful number, since it uses less digits than its factorization.

1684842341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089140.

The product of its digits is 147456, while the sum is 41.

The square root of 1684842341 is about 41046.8310713507. The cubic root of 1684842341 is about 1189.9254575156.

The spelling of 1684842341 in words is "one billion, six hundred eighty-four million, eight hundred forty-two thousand, three hundred forty-one".